What are Organs and Glands?

1.)  Organs 

–  Are a collection of tissues that become a unit in structure and function.

–  Organs can be found in all biological organisms.

–  When Two or more organs work together – it becomes an organ system.

–  A hollow organ is a visceral organ that forms a hollow tube or pouch, such as the Stomach, Intestine, or Bladder.

2.)  Glands

–  Are tissues in an animal’s body that synthesizes a substance.

–  There are many different types of substances or hormones can be produced.

–  They are then secreted into neighboring tissue or the blood stream depending on the potential use.

–  Some of the organs and glands are quite large while others are amazingly small.

Below is a list of some of the more important organs and glands:

Appendix Brain Bladder
Breasts Cerebellum Gallbladder
Heart Hypothalamus Kidney
Liver Lungs Oral Cavity
Ovaries Pancreas Parathyroid Gland
Pineal Body Pituitary Gland Prostate
Spleen Stomach Thyroid
Testes Urethra – Female Urethra – Male